In general, the breast cancer cells grow quite slowly. Between the first appearance of cancer cells and to the formation of the first palpable node it may take up to 10 years.
What Causes Breast Cancer?
The precise causes of breast cancer are still unclear. However, there are known major risk factors for the disease. Among the most significant risk factors are age and family history of breast cancer. The risk is slightly higher for women who have benign breast lump and increases significantly for women who have had breast or ovarian cancer.
Some studies showing that among the causes of breast cancer using antiperspirants. A concentration of toxins accumulated lead to cellular changes that cause cancer.
In general, researchers have established a number of factors that cause cancer cells:
– Internal – early appearance of the first menstruation, absence of birth, late menopause installation, late pregnancy (longer than 40 years old);
– genetic – a history of breast cancer in the family tree;
– external – excessive eating fats and chemical preservatives, excess weight.
It also becomes increasingly clear link between breast cancer and hormones. Researchers believe that as women increase exposure to the hormone called estrogen, the greater risk of getting sick of breast cancer. Estrogen command cells to divide; with how cells divide more, so are more likely to be abnormal, is likely to become cancerous.
Breast cancer can also have emotional causes; negative emotions can cause Cancer. Infertility, abusive marriage, emotional dependence on her husband, feelings of guilt, inferiority or disbelief in their own forces, the imbalance between received love and given love – any of these may be emotional outburst causes disease.
Nicotine could also be among the causes of breast cancer. British experts have researched both breast cancer cells and the normal ones, to see if nicotine can lead to tumor cell growth. When normal cells treated with nicotine in the laboratory, cancer was found to develop features and by reducing the level of nicotine was inhibited tumor growth.
A woman’s lifetime risk of developing breast cancer is greatly increased if she inherits a harmful mutation in BRCA1 or BRCA2. Such a woman has an increased risk of developing breast cancer at an early age – before menopause – and often has multiple, close family members who have been diagnosed with these diseases.
Statistics show an awkward link between abortion and cancer. Thus, there is a 30% increased risk of breast cancer in women who had an abortion.
Patients who have undergone chest radiation therapy are at increased risk of developing breast cancer approximately 10 years after treatment and will be supervised by conducting regular mammograms.
Obesity and overweight increase the risk of breast cancer after menopause. Research shows that women who gained more than 25 pounds after age 18 are 50% more likely to develop breast cancer.
Obesity associated with regular consumption of alcohol – more than two drinks per day – can encourage disease. Fortunately, this risk can be reduced with a healthy lifestyle that prevents recurrence of tumors.